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st/xorg: add linear and radial gradient acceleration

This commit is contained in:
Zack Rusin 2009-09-03 16:51:31 -04:00
parent 007a843991
commit 323440b3e2
1 changed files with 71 additions and 20 deletions
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91
src/gallium/state_trackers/xorg/xorg_exa_tgsi.c
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@ -291,12 +291,15 @@ create_fs(struct pipe_context *pipe,
{
struct ureg_program *ureg;
struct ureg_src /*dst_sampler,*/ src_sampler, mask_sampler;
struct ureg_src /*dst_pos,*/ src_pos, mask_pos;
struct ureg_src src, mask;
struct ureg_src /*dst_pos,*/ src_input, mask_pos;
struct ureg_dst src, mask;
struct ureg_dst out;
boolean is_fill = fs_traits & VS_FILL;
boolean is_composite = fs_traits & VS_COMPOSITE;
/*boolean has_mask = fs_traits & VS_MASK;*/
boolean has_mask = fs_traits & FS_MASK;
boolean is_fill = fs_traits & FS_FILL;
boolean is_composite = fs_traits & FS_COMPOSITE;
boolean is_solid = fs_traits & FS_SOLID_FILL;
boolean is_lingrad = fs_traits & FS_LINGRAD_FILL;
boolean is_radgrad = fs_traits & FS_RADGRAD_FILL;
ureg = ureg_create(TGSI_PROCESSOR_FRAGMENT);
if (ureg == NULL)
@ -311,19 +314,25 @@ create_fs(struct pipe_context *pipe,
if (is_composite) {
src_sampler = ureg_DECL_sampler(ureg, 0);
src_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
src_input = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
}
if (is_fill) {
src_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_COLOR,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
if (is_solid)
src_input = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_COLOR,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
else
src_input = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
0,
TGSI_INTERPOLATE_PERSPECTIVE);
}
if ((fs_traits & FS_MASK)) {
if (has_mask) {
mask_sampler = ureg_DECL_sampler(ureg, 1);
mask_pos = ureg_DECL_fs_input(ureg,
TGSI_SEMANTIC_POSITION,
@ -339,14 +348,56 @@ create_fs(struct pipe_context *pipe,
TGSI_INTERPOLATE_PERSPECTIVE);
#endif
if ((fs_traits & FS_MASK)) {
ureg_TEX(ureg, ureg_dst(mask),
if (is_composite) {
if (has_mask)
src = ureg_DECL_temporary(ureg);
else
src = out;
ureg_TEX(ureg, src,
TGSI_TEXTURE_2D, src_input, src_sampler);
} else if (is_fill) {
if (is_solid) {
if (has_mask)
src = ureg_dst(src_input);
else
ureg_MOV(ureg, out, src_input);
} else if (is_lingrad || is_radgrad) {
struct ureg_src coords, const0124,
matrow0, matrow1, matrow2;
if (has_mask)
src = ureg_DECL_temporary(ureg);
else
src = out;
coords = ureg_DECL_constant(ureg);
const0124 = ureg_DECL_constant(ureg);
matrow0 = ureg_DECL_constant(ureg);
matrow1 = ureg_DECL_constant(ureg);
matrow2 = ureg_DECL_constant(ureg);
if (is_lingrad) {
linear_gradient(ureg, src,
src_input, src_sampler,
coords, const0124,
matrow0, matrow1, matrow2);
} else if (is_radgrad) {
radial_gradient(ureg, src,
src_input, src_sampler,
coords, const0124,
matrow0, matrow1, matrow2);
}
} else
debug_assert(!"Unknown fill type!");
}
if (has_mask) {
mask = ureg_DECL_temporary(ureg);
ureg_TEX(ureg, mask,
TGSI_TEXTURE_2D, mask_pos, mask_sampler);
/* src IN mask */
src_in_mask(ureg, out, src, mask);
} else {
ureg_TEX(ureg, out,
TGSI_TEXTURE_2D, src_pos, src_sampler);
src_in_mask(ureg, out, ureg_src(src), ureg_src(mask));
ureg_release_temporary(ureg, mask);
}
ureg_END(ureg);